MPI-506 – USER MANUAL
3.5.3 Automatic measurements of RCD parameters
The instrument can perform automatic measurement of the RCD tripping time t
A
, tripping current
I
A
, touch voltage U
B
and earth resistance R
E
. In this mode, you do not need to activate the measure-
ment each time, and your role is only to initiate the measurement and reset the RCD after each trip-
ping.
You can choose two main AUTO modes:
FULL mode,
STANDARD mode.
Mode selection is described in section 2.2.
3.5.3.1 FULL mode
Switch on the meter.
Set the rotary switch to the AUTO position.
If the displayed parameters are different than shown below, set them according to the following
algorithm and the rules for setting the general parameters.
▪ 10 mA
▪ 15 mA
▪ 30 mA
▪ 100 mA
▪ 300 mA
▪ 500 mA
general purpose
selective
short-time delay
▪ 12.5 V (for )
▪ 25 V
▪ 50 V
Connect the test leads as shown in the figure.
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